I need to use the EntityManager inside an JMX MBean | <?xml version="1.0" encoding="UTF-8" ?> | <persistence> | <persistence-unit name="bafoeg3sked"> | <jta-data-source>java:/bafoeg21DS</jta-data-source> | <properties> | <property name="hibernate.hbm2ddl.auto" value="update"/> | | <property name="jboss.entity.manager.jndi.name" value="java:/bafoeg3EntityManagerSKED" /> | </properties> | </persistence-unit> | </persistence> | | Context ctx; | try { | ctx = (Context) new InitialContext(); | em = (EntityManager) ctx.lookup("java:/bafoeg3EntityManagerSKED"); | } catch (NamingException e) { | log.error(e); | } | At this point the EntityManager is not null org.jboss.ejb3.entity.TransactionScopedEntityManager@7663a6 However at | Query query = em.createNamedQuery("findGruppeByValue"); | I get the following exception: | java.lang.NullPointerException | at org.jboss.ejb3.entity.ManagedEntityManagerFactory.getNonTxEntityManag | er(ManagedEntityManagerFactory.java:59) | at org.jboss.ejb3.entity.ManagedEntityManagerFactory.getTransactionScope | dEntityManager(ManagedEntityManagerFactory.java:164) | at org.jboss.ejb3.entity.TransactionScopedEntityManager.createNamedQuery | (TransactionScopedEntityManager.java:139) | at bafoeg21.scheduler.util.SchedulerConfig.buildSkedStore(SchedulerConfi | g.java:522) | Any ideas what might be the cause? Thanks, Hans View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4269978#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...